Competitive Price High Grade White Quartz Egyptian Silica Sand Powder with 99.3-99.5% SiO2 for Foundry Casting and Export

Al2O3 Content (%)

0.0150-0.300

CaO Content (%)

0.02-0.09

Fe2O3 Content (%)

0.0250-0.030

MgO Content (%)

0.03

P2O5 Content (%)

0.025-0.030

SiO2 Content (%)

99.3-99.5%